Home / 18,847.99-28,276.58-5,699.62

Finding the Fourth Proportional to 18,847.99, 28,276.58 and 5,699.62

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Solution

The fourth proportional to 18,847.99, 28,276.58 and 5,699.62 is: 8,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.99 : 28,276.58 = 5,699.62 : x
  2. Step 2: Convert to fraction form
    18,847.99/28,276.58 = 5,699.62/x
  3. Step 3: Cross multiply
    18,847.99x = 28,276.58 × 5,699.62
  4. Step 4: Simplify right side
    18,847.99x = 161,165,760.90
  5. Step 5: Solve for x
    x = 161,165,760.90/18,847.99
  6. Step 6: Final answer
    x = 8,550.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.